pcmcia: serial to int put_char method
authorAlan Cox <alan@lxorguk.ukuu.org.uk>
Wed, 30 Apr 2008 07:54:04 +0000 (00:54 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 30 Apr 2008 15:29:46 +0000 (08:29 -0700)
Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Paul Fulghum <paulkf@microgate.com>
Cc: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
drivers/char/pcmcia/synclink_cs.c

index 45d8eb5de69f770418e6d1440867a2fde79c4189..1dd0e992c83d9ceddc777b3d6b6cc892e25044f8 100644 (file)
@@ -1545,7 +1545,7 @@ static void mgslpc_change_params(MGSLPC_INFO *info)
 
 /* Add a character to the transmit buffer
  */
-static void mgslpc_put_char(struct tty_struct *tty, unsigned char ch)
+static int mgslpc_put_char(struct tty_struct *tty, unsigned char ch)
 {
        MGSLPC_INFO *info = (MGSLPC_INFO *)tty->driver_data;
        unsigned long flags;
@@ -1556,10 +1556,10 @@ static void mgslpc_put_char(struct tty_struct *tty, unsigned char ch)
        }
 
        if (mgslpc_paranoia_check(info, tty->name, "mgslpc_put_char"))
-               return;
+               return 0;
 
        if (!info->tx_buf)
-               return;
+               return 0;
 
        spin_lock_irqsave(&info->lock,flags);
 
@@ -1572,6 +1572,7 @@ static void mgslpc_put_char(struct tty_struct *tty, unsigned char ch)
        }
 
        spin_unlock_irqrestore(&info->lock,flags);
+       return 1;
 }
 
 /* Enable transmitter so remaining characters in the